CN101682883A - System selection based on application requirements and preferences - Google Patents
System selection based on application requirements and preferences Download PDFInfo
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- CN101682883A CN101682883A CN200880020311A CN200880020311A CN101682883A CN 101682883 A CN101682883 A CN 101682883A CN 200880020311 A CN200880020311 A CN 200880020311A CN 200880020311 A CN200880020311 A CN 200880020311A CN 101682883 A CN101682883 A CN 101682883A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H—ELECTRICITY
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- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
Techniques for performing system selection based on requirements and preferences of applications are described. A terminal maintains a policy table containing applications supported by the terminal, priorities of the applications, radio technologies that can be used for each application, and priorities of the radio technologies for each application. The terminal manages policies associated with the supported applications and radio technologies, determines the most suitable radio technology for each application, and activates and deactivates radio technologies in response to events, e.g., the terminal being turned on, a call being placed, the terminal leaving the coverage of a radio technology, etc.
Description
That the application requires is that submit on June 15th, 2007, name is called the U. S. application No.60/944 of " SYSTEM POLICYMANAGER ", 166 priority, and this application integral body is merged in this paper with way of reference.
Technical field
The communication of disclosure relate generally to, and more specifically, relate to the technology that executive system is selected that is used for.
Background technology
Cordless communication network is disposed widely provides various communication services, for example voice, video, grouped data, message transmission, broadcasting etc.These wireless networks comprise: wireless wide area network (WWAN), and it covers for big geographic area provides communication; Wireless lan (wlan), it covers for medium sized geographic area provides communication; And wireless personal-area network (WPAN), it covers for little geographic area provides communication.Different wireless networks has different abilities, requirement and overlay area usually.
Terminal can with different wireless communications, and can be arranged in the coverage of zero, one or more wireless network at any given time.Terminal can be employed to call and start calling, so that obtain communication service for the user.Terminal can executive system be selected to select suitable wireless network to obtain service then.If terminal can with different wireless communications, then to select may be challenging in system.
Summary of the invention
This paper has described the technology of coming executive system to select according to the requirement of using and preference of being used for.In one aspect, terminal conversation strategy table, described Policy Table comprises by the priority of the application of terminal support, application, each uses the preference of the radiotechnics of operable radiotechnics and each application.The strategy that terminal management is associated with application of being supported and radiotechnics, determine the optimal radiotechnics of each application, and start and inactive radiotechnics described incident coverage that for example terminal is unlocked, calls out, terminal is left radiotechnics etc. in response to incident.
In a kind of design, terminal is used the request that receives for communication from least one, and selects at least one radiotechnics according at least one group of radiotechnics that is used for described at least one application.Each group radiotechnics comprises can be by one or more radiotechnicss of application corresponding use.Described at least one the selected radiotechnics of starting terminal is so that provide communication for described at least one application.
Various aspects of the present disclosure and feature have hereinafter been described in more detail.
Description of drawings
Fig. 1 shows the deployment of the wireless network of different radiotechnicss.
Fig. 2 shows the processing module of terminal.
Fig. 3 shows and is used for the Policy Table that back-up system is selected.
Fig. 4 shows the call-flow of selecting for the system that uses.
Fig. 5 shows the call-flow of selecting for the system of other application.
Fig. 6 shows because the call-flow of the change of the radiotechnics that coverage loss causes.
But Fig. 7 shows when the become call-flow of change of time spent radiotechnics of preferred radiotechnics.
Fig. 8 shows the call-flow of selecting for the system of the application of higher priority.
Fig. 9 shows and is used for the process that executive system is selected.
Figure 10 shows the process that the system that is used to carry out new application is selected.
Figure 11 shows the block diagram of terminal.
Embodiment
Fig. 1 shows the deployment of the various wireless networks in the geographic area.These wireless networks comprise four WWAN and a WLAN.Term " system " and " network " often exchange and use.
WWAN is the wireless network that provides communication to cover for big geographic area, and described big geographic area is city, state or whole country for example.WWAN can support a plurality of users' multi-access network by sharing available network resources.Some examples of multi-access network comprise code division multiple access (CDMA) network, time division multiple access (TDMA) network, frequency division multiple access (FDMA) network and quadrature FDMA (OFDMA) network.These multi-access networks can be realized various radiotechnicss.Term " radiotechnics ", " radio access technologies ", " RAT ", " access technology " and " air interface " are often exchanged and are used.Cdma network can be realized the radiotechnics such as cdma2000, wideband CDMA (W-CDMA) etc.Cdma2000 covers IS-2000, IS-856 and IS-95 standard.CDMA2000 1x (perhaps abbreviating " 1x " as) network is a wireless network of realizing IS-2000 and/or IS-95.CDMA2000 1xEV-DO (perhaps abbreviating " 1xEV-DO " as) network is a wireless network of realizing IS-856.Universal Mobile Telecommunications System (UMTS) network is a wireless network of realizing W-CDMA.The TDMA network can be realized the radiotechnics such as global system for mobile communications (GSM).These various radiotechnicss, standard and cellular network are well known in the art.In the file that is called " third generation partner program " tissue (3GPP) from name, W-CDMA, GSM and UMTS have been described.In the file that is called " third generation partner program 2 " tissue (3GPP2) from name, cdma2000 has been described.3GPP and 3GPP2 file are that the public is obtainable.
The deployment that Fig. 1 shows four WWAN---1x, 1xEV-DO, UMTS and GSM network---.Each WWAN generally includes a plurality of base stations, and it is supported in the communication of the terminal in the coverage of this WWAN.Base station (1x and GSM term) normally with the fixed station of terminal communication, and also can be called as Node B (UMTS term), access point (1xEV-DO term) etc.For the sake of simplicity, Fig. 1 only shows the base station 110, the access point 112 that is used for the 1xEV-DO network that are used for the 1x network, is used for a Node B 114 of UMTS network and is used for a Node B 116 of GSM network.
WLAN is the wireless network that provides communication to cover for medium sized geographic area, and described medium sized geographic area is building, shopping plaza, departure hall etc. for example.WLAN can realize IEEE 802.11 standard families, Hiperlan etc.The Wi-Fi network is the WLAN that realizes IEEE 802.11.WLAN can comprise any amount of access point of the radio communication of supporting any amount of station.For the sake of simplicity, in Fig. 1, only show an access point 118.WLAN can be can with foundation structure formula (infrastructure) network at the node communication of WLAN outside.WLAN is communicated with one another on a 50-50 basis and can not be inserted the ad hoc network that the station of external node forms by expectation.
Base station in the 1x network and/or the access point in the 1xEV-DO network can be coupled to 3GPP2 core network 130.Core network 130 can be realized ANSI-41, and supports roaming and high-level service.3GPP core network 132 can be coupled in Node B in the UMTS network and/or the base station in the GSM network.Core network 132 can be realized GSM MAP (GSM-MAP), and supports roaming and high-level service.Access point in the 1xEV-DO network, the access point in WLAN and/or the Node B in the UMTS network also can be coupled to Internet protocol (IP) IP multimedia subsystem, IMS (IMS)/multimedia domain, MMD (MMD) network 134, this Internet protocol (IP) IP multimedia subsystem, IMS (IMS)/multimedia domain, MMD (MMD) network 134 can provide multimedia service, for example the networking telephone (VoIP), video conference, flow data etc.Core network 130 and 132 also can be coupled to IMS/MMD network 134 via backbone network.Network 130,132 with 134 can for provide data to be connected by these network serving base station, Node B and terminal that access point communicates.
Each terminal can be dispersed on the whole overlay area of the wireless network among Fig. 1.For the sake of simplicity, in Fig. 1, only show a terminal 120.Terminal can be that fix or mobile, and can be called as travelling carriage (1x and GSM term), user's set (UMTS term), access terminal (1xEV-DO term), stand (IEEE 802.11 terms), subscriber unit etc.Terminal can be cell phone, handheld device, wireless device, PDA(Personal Digital Assistant), laptop computer, radio modem, mobile phone etc.
Terminal 120 can support to be used for the various radiotechnicss of WWAN and/or WLAN.Therefore terminal 120 can be WWAN equipment and WLAN station, the cell phone that for example has the WLAN ability.Terminal 120 can communicate at any given time and one or more wireless network according to its position and ability.
Usually, terminal can communicate with any amount of wireless network of any radiotechnics.Technology described herein can be used for various wireless networks and radiotechnics.For the sake of clarity, below at some aspect that can describe these technology with the terminal that 1x, 1xEV-DO and UMTS network and WLAN communicate.
Fig. 2 shows the design of the processing module 200 of terminal 120.In processing module 200,210 supports of user interface (UI) module are mutual with the user's.Use (APP) 220 and can comprise that various terminal uses use, and for example, provide the voice application of voice service, the data application that data, services is provided, web browser, email client etc.Use 220 and can produce the request that makes a call to obtain communication service.
System policy manager (SPM) 230 with use 220 alternately, and determine to start which or which radiotechnics at any given time.Start and to be meant and to make radiotechnics to use, and can comprise obtaining the wireless network of that radiotechnics.Application strategy manager (APM) 232 is carried out application strategy, from using the notice that 220 accepting states change, determines that this state changes the corresponding change in the application that whether causes carrying out at the same time, and the application of therefore notifying this to carry out simultaneously.Data services/packet-switched layer (DS/PS) module 234 is carried out the function that is used to support data, services and packet-switched services.For data, services, the grouped data of 234 addressing of DS/PS module and radio protocol stack is mutual, and it is specific for each radiotechnics.For packet-switched services, the grouped data that 234 addressing of DS/PS module do not rely on radiotechnics realizes, and can support variety of protocol, for example, Session Initiation Protocol, real-time transport protocol (rtp), User Datagram Protoco (UDP) (UDP), transmission control protocol (TCP), Internet protocol (IP), mobile IP, IP safety (IPsec), internet control messages agreement (ICMP), PPP(Point-to-Point Protocol) etc.These agreements can be used for the calling of VoIP, data and other type on packet-switched wireless networks.For example, voip call can be used SIP, RTP, UDP, TCP and IP.
Obtaining of the wireless network of the selected radiotechnics of definite (CM/SD) module 240 controls of call manager/system is for example when by System policy manager 230 indications.Also initiation, foundation and the dismounting of controlling call of CM/SD module 240 is for example when by application 220 indications.CM/SD module 240 receives the request that specific radiotechnics is called out of passing through of self-application 220, the initiation of controlling call, and follow the tracks of the state of calling out.
Explorer (RM) 242 is according to the resource allocation of allocation strategy management to client's (for example, media session).When the simultaneous demand for given resource surpassed the ability of this resource, explorer 242 also managed conflict.Resource can comprise hardware block, bus, CPU, memory etc.Module 250a supports the communication of different radiotechnicss to 250n, for example, and WLAN, 1x, 1xEV-DO, UMTS etc.
Terminal 120 can be arranged in the coverage of one or more radiotechnicss at any given time.Terminal 120 can only be used a radiotechnics or use a plurality of radiotechnicss to communicate simultaneously according to its ability.Terminal 120 also can have any amount of movable the application at any given time.Each application can be supported the particular communication service, and term " application " and " service " herein can be exchanged use.Described movable application can have the different priority and the preference of the service that receives on which radiotechnics.Can expect to be the optimal radiotechnics of activity application choice according to the ability and the movable requirement and the preference of using of available radiotechnics, terminal 120.
1. determine to use optimal radiotechnics for each, and
2. start and inactive radiotechnics described incident coverage that for example terminal 120 is unlocked, calls out, terminal 120 is left radiotechnics etc. in response to incident.
Table 1
| Selection scheme | Explanation |
| System based on technology is selected | Select one or more radiotechnicss to use, for example be under the jurisdiction of minimum application sets with the activity of supporting maximum number. |
| Select based on the system that uses | Come to be each activity application choice radiotechnics by considering the movable priority of using. |
| Hybrid system is selected | Select one or more radiotechnicss by the preference of considering movable priority of using and the radiotechnics for each movable application. |
Fig. 3 shows the Policy Table's 300 that can be used for the back-up system selection design.The row 1 of table 300 have been listed the application that terminal 120 is supported.In this example, the application of being supported comprises urgent 911 (E911) calling, audio call, PoC (push-to-talk) calling, visual telephone (VT) calling, Short Message Service (SMS), aerial parameter management (OTAPA) and data call.The row 2 of table 300 have been listed the priority of using.The scope of this priority from 1 to 5,1st, the highest priority, the 5th, minimum priority.Priority can be used to solve the conflict between the application of competitive resource.A plurality of application can have identical priority, and can use arbitration rules to solve conflict.For example, with respect to the application of the new startup of equal priority, can preferentially select the application of current active.Also can use other arbitration rules, for example, to maximize the quantity of the activity application that can support.
The row 5 of table 300 have been listed each and have been used operable radiotechnics.In this example, the radiotechnics that terminal 120 is supported comprises WLAN, 1x, 1xEV-DO and UMTS, and each application can be by the whole of these radiotechnicss or subclass support.Row 4 have been listed the preferences/priorities of the radiotechnics of each application.The scope of preference is from 1 to 4,1st, and is most preferred/the highest priority, the 4th, least preferably/minimum priority.This preference can be used for being the most preferred and available radiotechnics of each application choice.Row 6 have been listed service quality (QoS) requirement of each radiotechnics.Row 7 and 8 only are only applicable to WLAN.Whether row 7 expression can use ad hoc network, "No" to mean if WLAN is not ad hoc network then can uses this WLAN, and " x " can use WLAN and it is ad hoc network or foundation structure formula network no matter mean.Row 8 expression WLAN whether be the user preferred/network selected, "Yes" mean if WLAN by the user (for example, manually) select, then can use WLAN, even "No" means WLAN and is not selected by the user, also can use WLAN, " x " can use WLAN and whether it is selected by the user no matter mean.
Table 300 can be interpreted as follows. Row 1 and 2 are illustrated in the application of all supports, and E911 and audio call have limit priority 1, and data call has lowest priority 5.Call out for E911, three line displays can obtain the E911 service on 1x, 1xEV-DO or UMTS.First line display is most preferred in the E911 calling that has on the 1xEV-DO of QoS.It is less preferred that the E911 of second line display on 1x calls out.The E911 calling that the third line is illustrated on the UMTS is least preferred.
For audio call, six line displays can obtain voice service on WLAN, 1x, 1xEV-DO or UMTS.The audio call of first line display on the foundation structure formula WLAN that is selected by the user is most preferred, no matter and whether this WLAN supports QoS.Second line display also is most preferred at the audio call that has on the foundation structure formula WLAN of QoS, even this WLAN is not selected by the user.The audio call that the third line is illustrated on the 1xEV-DO with QoS is less preferred.The 4th and fifth line to be illustrated in audio call on 1x or the UMTS be the 3rd preferred.The audio call of the 6th line display on the foundation structure formula WLAN that does not have QoS and do not selected by the user is least preferred.Can be as serving other application as shown in the table 300.
Table 300 shows an example set of the preference of application, their priority, the radio technologies/configurations that can support each application on it and the radiotechnics for each application.The priority and the preference that are used for the executive system selection can be independent of priority and the preference that is used for to allocated resources.Can determine that public land mobile network (PLMN) that preference between different radiotechnicss, described each provenance for example are used for the 3GPP network tabulates, is used for the optimum roaming list (PRL) of 3GPP2 network, is used for the train table (Netlist) of WLAN etc. according to each provenance.Table 300 can obtain the relative priority level in these various tabulations, and can be used for selecting one or more optimal radiotechnicss in available radiotechnics.Can define other Policy Table of other group with application, priority and preference and radio technologies/configurations.
Policy Table such as table 300 can a priori be defined and is used during normal running.Also can be during normal running the update strategy table.For example, application can be asked the subclass of pre-configured radiotechnics according to its current requirement.
In a kind of design, terminal 120 is supported minimum application sets (MAS), and it comprises following application: when these application are activated, terminal 120 will activate radiotechnics.MAS can be by definition such as user, Virtual network operators.MAS can be defined statically, perhaps can dynamically change.For example, when terminal 120 was inserted into main power source, MAS can comprise more applications, and when terminal 120 was used battery power for operation, MAS can comprise application still less.In a kind of design, MAS is included in all application with limit priority 1 among the Policy Table 300.In the another kind design, MAS comprises E911 calling, audio call and video phone call.It is movable immediately that application in MAS can be considered to when terminal 120 powers up, even in fact they be not movable.Terminal 120 can be the new radiotechnics of application start among the MAS when needed, and can executive system selects so that can be supported in application among the MAS.
In a kind of design, terminal 120 has active application set (AAS), and it comprises the application of current active.Application can be added to AAS when beginning/startup, and removes from AAS when finishing.
Terminal 120 can be according to MAS, AAS, wait executive system to select to select one or more optimal radiotechnicss such as the requirement of the Policy Table of table 300, Virtual network operator.Terminal 120 can come executive system to select according to the preference of priority of using and/or radiotechnics.For example, when carrying out audio call, for and have start 1x based on for all application of the requirement of using, WLAN can be preferred with respect to 1x.Table 300 can be used for for the suitable radiotechnics of movable application start.Table 300 can be used for also determining when that the application that should start a plurality of radiotechnicss and when use the single radio technology to be used at MAS and AAS is enough.
Terminal 120 executive system is in every way selected.For the sake of clarity, select for following example descriptive system:
MAS＝{A，B}，??A＝{1，2}，
AAS＝{A，C}，??B＝{2，1}，
C＝{1，3}.
In this example, MAS comprises application A and B, and AAS comprises application A and C.Each application of service on one group of radiotechnics that can provide in order with preference.For example, be preferred at the application A on the radiotechnics 1 with respect to the application A on radiotechnics 2.
In a kind of design, terminal 120 starts the radiotechnics of minimum numbers so that can be supported in all application among MAS and the AAS.In above-mentioned example, terminal 120 will only start radiotechnics 1, and it is included in and is used in three groups of radiotechnicss of three application of MAS and AAS.
In the another kind design, terminal 120 starts the most preferred radiotechnics that is used in all application of MAS and AAS.In above-mentioned example, terminal 120 will start radiotechnics 1 and 2, and they are the most preferred radiotechnicss that are used to use A, B and C.
In another design, terminal 120 starts all radiotechnicss that are used in all application of MAS and AAS.In above-mentioned example, terminal 120 will start radiotechnics 1,2 and 3, and they are included in and are used in three groups of radiotechnicss of three application of MAS and AAS.
When having started a plurality of radiotechnics, terminal 120 can be associated each movable application with the most preferred radiotechnics that is used for that application in the radiotechnics that is activated at all.Therefore each movable application can be used to the most preferred and available radiotechnics support of that application.
In a kind of design, terminal 120 starts one or more radiotechnicss according to the availability of its ability and radiotechnics, so that be supported in the application of the maximum quantity among MAS and the AAS.For Policy Table 300, can be for example according to should being used for of being associated with each group to radio technology groups differentiation order of priority.Terminal 120 can be enabled in the one or more radiotechnicss in the group of one or more limit priorities.All application that are associated with each group of the radiotechnics that is activated will be supported on the radiotechnics that is activated then.
In the another kind design, terminal 120 starts one or more radiotechnicss according to activity priority of using and the preference that is used for each movable radiotechnics of using.Terminal 120 can be used the most preferred and available radiotechnics of X initial start 1 for activity.If start the application Y of higher priority, then terminal 120 can start most preferred and available radiotechnics 2 for using Y.Start radiotechnics 2 if radiotechnics 1 is deactivated, then terminal 120 can move on to radiotechnics 2 with using X, perhaps can start another radiotechnics for using X.For example, terminal 120 can have the several application of working on foundation structure formula WLAN.Recreation with higher priority is used and can be activated, and can need ad hoc WLAN.Terminal 120 can start the ad hoc WLAN that is used for described recreation application then, and the foundation structure formula WLAN that stops using starts another radiotechnics (for example, 1x or UMTS), and other movable application is moved on to the radiotechnics that is activated.
When being employed request, when the radiotechnics of current startup is performed poor or broken away from coverage and/or according to other trigger event, terminal 120 can start new radiotechnics.If terminal 120 is not worked on any radiotechnics when start using, then can to use the technology preferences of described application be described application choice to terminal 120 and start most preferred and available radiotechnics.When on application is activated and can not the radiotechnics in any current startup, being supported, if terminal 120 is the radiotechnics that the most preferred radiotechnics of described application start does not need inactive any startup, then terminal 120 can be the most preferred radiotechnics of described application start.
When a radiotechnics no longer by any movable use when using, the terminal 120 described radiotechnics of can stopping using.For example, when on preferred radiotechnics, supporting that all are used, all not too preferred radiotechnicss of can stopping using.Use when using given radiotechnics when activity, call out or be moved to preferred radiotechnics, then the terminal 120 described radiotechnics of can stopping using if described application has been through with.If a radiotechnics has been seized in the startup of another radiotechnics (for example, being used for the application of higher priority), terminal 120 this radiotechnics of also can stopping using then.
When powering up, terminal 120 can attempt obtaining before power down by the terminal 120 last radiotechnicss that start.This can improve the possibility of the service of acquisition.Terminal 120 also can attempt obtaining concurrently a plurality of radiotechnicss, and the activity application can be placed on the radiotechnics of at first obtaining.This can quicken to serve first time of calling out.The preference ordering of the radiotechnics when powering up can be different with the preference ordering of radiotechnics during normal running.
The one group calls in several stream of the various features of the described technology of explanation is hereinafter described.Described call-flow can be used for various situations, and is as described below.
Fig. 4 shows the design that is used for the call-flow 400 of executive system selection when using when starting.When initial, use X, will be used for communication (step 1) to determine which radiotechnics to System policy manager 230 transmitting system select commands.System policy manager 230 determines that radiotechnics 1 (RAT-1) is the most preferred radiotechnics that is used to use X, and sends the optimum decision system change message (step 2) with radiotechnics 1 to CM/SD module 240.CM/SD module 240 calling module 250a are to obtain radiotechnics 1 (step 3).Module 250a obtains radiotechnics 1 under the indication of CM/SD module 240, and returns service available notification (step 4).CM/SD module 240 is forwarded to System policy manager 230 with this notice, and (step 5), System policy manager 230 send the system's selection notice (step 6) with radiotechnics 1 to using X then.Using X can be the most preferred and available radiotechnics that is used for this application according to selecting notice identify radiotechnics 1 from the system of System policy manager 230 receptions.
In this example, use the packet-based application that X is to use the DS/PS layer.Use X and send the beginning internet message to enable radiotechnics 1 (step 7) to DS/PS module 234 then.DS/PS module 234 sends call initiation message (step 8), the next (step 9) that makes a call of this CM/SD module 240 indicating module 250a to CM/SD module 240 then on radiotechnics 1.Usually, use X and needn't know which radiotechnics can be used or their preference ordering, and can only send the beginning internet message.System policy manager 230 and/or CM/SD module 240 are selected suitable radiotechnics according to the Policy Table, and can come with the preference ordering of all radiotechnicss of listing, to determine most preferred and available radiotechnics in all radiotechnics cocycles of listing.Module 250a connects, and returns connection notice (step 10) to CM/SD module 240.CM/SD module 240 provides calling to connect notice to DS/PS module 234 then, and (step 11), DS/PS module 234 are then to using X notice radiotechnics 1 in operation (step 12).Use X can carry out via radiotechnics 1 and one or more network entities other mutual, for example, with obtain the QoS configuration, to (step 13) such as sip server registrations.Application X sends the system's selection acknowledge message with radiotechnics 1 to System policy manager 230 then, and (step 14), System policy manager 230 these information of storage are to be used for keeping simultaneity on activity is used.
In the design shown in Fig. 4, application can at first be checked to determine which radiotechnics will be used to communicate by letter with configuration with System policy manager 230.Described application also can be obtained suitable resource from explorer 242.Described application can be determined needed QoS according to the radiotechnics that is activated, and can be from the startup of DS/PS module 234 request QoS.Described application can make when finishing all these steps that service is available for the user.
Fig. 5 shows the design of the call-flow 500 that is used for the executive system selection when having started other application.Terminal 120 is movable (step 1, it can comprise the step among Fig. 4) on radiotechnics 1 when initial.Use Y and send the beginning networking command, to enable radiotechnics 2 (RAT-2) (step 2) to DS/PS module 234.DS/PS module 234 sends call initiation message to CM/SD module 240 then, and (step 3), CM/SD module 240 is checked (step 4) with System policy manager 230.System policy manager 230 determines that radiotechnics 2 can not coexist with radiotechnics 1, and rejecting said request, for example, has the lower priority of one or more application of using radiotechnics 1 than current because use Y.System policy manager 230 is returned response then to keep radiotechnics 1 and refusal radiotechnics 2 (step 5).CM/SD module 240 provides data call to be rejected notice to DS/PS module 234 then, and (step 6), DS/PS module 234 is returned beginning network failure notice (step 7) to using Y.
Subsequently, use Z and send the beginning networking command, to enable radiotechnics 2 (step 8) to DS/PS module 234.DS/PS module 234 sends call initiation message to CM/SD module 240 then, and (step 9), CM/SD module 240 is checked (step 10) with System policy manager 230.System policy manager 230 is accepted described request, for example, has the higher priority of one or more application of using radiotechnics 1 than current because use Z.This causes the seizing of one or more application of radiotechnics 1 and possible current active, and causes the replacement with radiotechnics 2 and the new application Z that starts.System policy manager 230 is returned response then with startup radiotechnics 2, and inactive radiotechnics 1 (step 11).CM/SD module 240 sends call initiation message (step 12) to the module 250b that is used for wireless technology 2 then.The later step 13-15 that is used for radiotechnics 2 is identical respectively with the step 10-12 that is used for radiotechnics 1 at Fig. 4.
Fig. 6 shows the design that is used for the call-flow 600 that the radiotechnics that causes owing to coverage loss changes.Terminal 120 has the application X (step 1) of working on radiotechnics 1 when initial.Terminal 120 moves out the coverage of radiotechnics 1, and module 250a provides system loss notification (step 2) to CM/SD module 240.CM/SD module 240 attempts finding other wireless network (step 3) of same radiotechnics 1 then.When failing to find another wireless network of radiotechnics 1, CM/SD module 240 is lost (step 4) to System policy manager 230 reporting systems.System policy manager 230 decisions change reservation radiotechnics 1 in the message at the optimum decision system that sends to CM/SD module 240, it is most preferred radiotechnics, and System policy manager 230 also is included in radiotechnics 2 (step 5) in the described optimum decision system change message.
(step 6), module 250b returns service available notification (step 7) to CM/SD module 240 calling module 250b then to obtain radiotechnics 2.Be the step 8-11 that radiotechnics 2 is carried out subsequently to come respectively with the similar mode of the step 5-8 that is used for radiotechnics 1 in Fig. 4.CM/SD module 240 indicating module 250b are with (the step 12) that makes a call on radiotechnics 2.Module 250b connects on radiotechnics 2, and returns to connect and notify (step 13).Respectively to carry out subsequently step 14-17 with the similar mode of the step 11-14 in Fig. 4.CM/SD module 240 is checked the availability of radiotechnics 1 termly, because radiotechnics 1 is than radiotechnics 2 more preferably (step 18).
But Fig. 7 shows when preferred radiotechnics time spent that becomes and is used for the design of call-flow 700 of the change of radiotechnics.Terminal 120 has the application X that works on radiotechnics 1 when initial, radiotechnics 1 is not as radiotechnics 2 preferred (step 1).The notice (step 2) that module 250b provides radiotechnics 2 to use.Be the step 3-12 that radiotechnics 2 is carried out subsequently to come respectively with the similar mode of the step 5-14 that is used for radiotechnics 1 in Fig. 4.System policy manager 230 sends the optimum decision system with radiotechnics 2 to CM/SD module 240 then and changes message (step 13).CM/SD module 240 and module 250a are alternately with the radiotechnics 1 (step 14) of stopping using.
Fig. 8 shows the design of the call-flow 800 that is used for system's selection when the application of higher priority begins.Terminal 120 has the application X (step 1) of working on radiotechnics 1 when initial.The application Y of higher priority will be used for communication (step 2) to System policy manager 230 transmitting system select commands to determine which radiotechnics.System policy manager 230 determines that radiotechnics 2 is the most preferred radiotechnicss that are used to use Y, and sends the optimum decision system change message (step 3) with radiotechnics 2 to CM/SD module 240.In this example, radiotechnics 1 and 2 can not coexist.CM/SD module 240 keeps radiotechnics 1 and finishes (step 4), the radiotechnics 1 (step 5) of stopping using then up to the all-calls on radiotechnics 1.Be the step 6-17 that radiotechnics 2 is carried out subsequently to come respectively with the similar mode of the step 3-14 that is used for radiotechnics 1 in Fig. 4.
As shown in Figure 8, use incompatible different radiotechnics, then when the application Y of higher priority begins, can finish the calling of lower-priority application X if these are used.If radiotechnics 2 can be employed X and use, then use X and can be moved to radiotechnics 2.Also can for use X start can with another radiotechnics of radiotechnics 2 coexistences.
Fig. 9 shows the design of the process 900 that is used for the executive system selection.Process 900 can be carried out by System policy manager 230 and/or other module in terminal 120.Can use the request (frame 912) that receives for communication from least one.Described request can be corresponding to the system's select command in Fig. 4-8.Can select at least one radiotechnics (frame 914) according at least one group of radiotechnics that is used for described at least one application.Each group can comprise the one or more radiotechnicss that can be used by application corresponding.Described at least one radiotechnics can be activated for described at least one application provides communication (frame 916).Can change message via the optimum decision system in Fig. 4-8 and realize described startup.
For frame 914, can select described at least one radiotechnics according to the priority of described at least one application and/or to each preference of using spendable radiotechnics.In a kind of design, can select the radiotechnics of minimum number, it is included in the radiotechnics in each group radiotechnics.In the another kind design,, then can be chosen in all radiotechnicss in the described at least one group of radiotechnics if simultaneously supported.In another design, can be to consider described at least one application based on the order of priority, this starts from the application of limit priority in proper order, and can be the most preferred radiotechnics of considering of each application choice.In another design, can from a plurality of radio technology groups, select radio technology groups, and comprise described at least one radiotechnics in the selected group.Selected group can comprise the most preferred radiotechnics that is used for each application.Also can otherwise come executive system to select.
Figure 10 shows the design of the process 1000 that is used to new application executive system selection.Process 900 back implementations 1000 that can be in finishing Fig. 9.Can receive for the request (frame 1012) of communicating by letter from described new application.Can determine whether described new application has the priority higher than the application of at least one current active (frame 1014).If the answer for frame 1014 is a "No", if be used for the radiotechnics of described new application so and be that the while is supported at least one radiotechnics of described at least one movable application start, the radiotechnics that then is used for described new application can be activated (frame 1016).If it is not simultaneously supported being used for radiotechnics and described at least one radiotechnics that is activated of described new application, then can rejecting said request (frame 1018).
If described new application has than the higher priority of described one or more movable application, and answer is "yes" for frame 1014, then can be described new application start radiotechnics (frame 1022).With the radiotechnics that is used for described new application be not that the radiotechnics of supported each startup simultaneously can be deactivated (frame 1024).If be suitable for, each of the radiotechnics that use can be deactivated be movable to be used and moves on to the radiotechnics (frame 1026) that is used for described new application.
Figure 11 shows the block diagram of the design of terminal 120.On transmit path, encoder 1122 receives data and the signaling that is sent to base station, Node B or access point by terminal 120.Encoder 1122 is handled (for example, format, encode and interweave) described data and signaling according to suitable encoding scheme.Modulator (Mod) 1124 is further handled data and the signaling that (for example, modulation and scrambling) is encoded, and produces the output chip.Usually, determine the processing undertaken by encoder 1122 and modulator 1124 by the radiotechnics (for example, IEEE 802.11,1x, 1xEV-DO, UMTS or GSM) that is used for the wireless network that data are sent to.Transmitter (TMTR) 1132 is regulated (for example, being converted to simulation, filtering, amplification and up-conversion) output chip and is produced radio frequency (RF) signal, and described RF signal is sent out via antenna 1134.
On RX path, antenna 1134 receives the RF signal that is sent by base station, Node B and/or access point.Receiver (RCVR) 1136 is regulated the RF signal that (for example, filtering, amplification, down-conversion and digitlization) receives from antenna 1134, and sampling is provided.Demodulator (Demod) 1126 is handled (for example, descrambling and demodulation) described sampling, and sign estimation is provided.Decoder 1128 is handled (for example, deinterleave and decode) described sign estimation, and the data and the signaling of decoding are provided.Usually, the processing of being undertaken by demodulator 1126 and decoder 1128 with by in the base station, Node B and the modulator of access point and the processing that encoder is carried out be complementary.Can realize encoder 1122, modulator 1124, demodulator 1126 and decoder 1128 by modem processor 1120.For brevity, Figure 11 shows an example of each processing unit.Usually, may be useful in one or more modem processors, transmitter, receiver, controller and the memory of the different radio power technology of supporting by terminal 120.
1140 indications of controller/processor are in the operation of each processing unit at terminal 120 places.Controller/processor 1140 and/or other processing unit in terminal 120 can be implemented in the processing module 200 among Fig. 2.Controller/processor 1140 also can be realized or indicate process 900, the process in Figure 10 1000 in Fig. 9 and/or is used for other process of technology described herein.Memory 1142 storages are used for the program code and the data of terminal 120.Memory 1142 all right storage policy tables, described Policy Table comprises the application of being supported by terminal 120 and uses spendable one group of radiotechnics with each, and this Policy Table is the table 300 in Fig. 3 for example.Described Policy Table can also comprise priority, the preferences/priorities that each uses spendable radiotechnics of application and/or can be used for the out of Memory that system is selected.
Can realize technology described herein by various means.For example, can make up these technology that realizes with hardware, firmware, software or its.Realize for hardware, can in one or more application-specific integrated circuit (ASIC)s (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, electronic equipment, other electronic unit that is designed to carry out function described herein, computer or its combination, realize being used to carry out the processing unit of described technology.
Realize for firmware and/or software, can realize described technology with the code (for example, process, function, module, instruction etc.) of carrying out function described herein.Usually, any computer/processor-readable medium that visibly embodies firmware and/or software code can be used to realize technology described herein.For example, described firmware and/or software code can be stored in the memory (for example, the memory 1142 in Figure 11), and are carried out by processor (for example, processor 1140).Described memory can be implemented in the processor or the processor outside.Described firmware and/or software code also can be stored in the computer/processor-readable medium, for example random-access memory (ram), read-only memory (ROM), nonvolatile RAM (NVRAM), programmable read-only memory (prom), electric erasable PROM (EEPROM), flash memory, floppy disk, compact disk (CD), digital universal disc (DVD), magnetic or light data storage device etc.Described code can be carried out by one or more computer/processor, and can be so that described one or more computer/processor is carried out the particular aspects of function described herein.
The device of realizing technology described herein can be unit independently, perhaps can be the part of equipment.Described equipment can be: (i) integrated circuit (IC) independently; (ii) one group of one or more IC, it can comprise the memory IC that is used to store data and/or instruction; (iii) ASIC, for example travelling carriage modulator-demodulator (MSM); (iv) can be embedded in the module in the miscellaneous equipment; (v) cell phone, wireless device, mobile phone or mobile unit; (vi) or the like.
Above stated specification of the present disclosure is provided to make that any technical staff in this area can realize or use the disclosure.Various modification of the present disclosure is conspicuous for those skilled in the art, and the General Principle of this paper definition can be applied to other version under the situation that does not break away from spirit or scope of the present disclosure.Therefore, the disclosure also is not intended to be limited to example described herein and design, but will meet the wide region consistent with principle disclosed herein and novel feature.
Claims (32)
1, a kind of device that is used for radio communication comprises:
At least one processor, be used for: use the request that receives for communication from least one, select at least one radiotechnics according at least one group of radiotechnics that is used for described at least one application, and start described at least one radiotechnics and think that described at least one application provides communication, wherein, each group radiotechnics comprises the one or more radiotechnicss that can be used by application corresponding; And
Memory, it is coupled to described at least one processor.
2, device according to claim 1, wherein, described at least one processor is used for further selecting described at least one radiotechnics according to the priority of described at least one application.
3, device according to claim 1, wherein, described at least one processor is used for further according to the preference of organizing described one or more radiotechnicss of radiotechnics at each is selected described at least one radiotechnics.
4, device according to claim 1, wherein, described at least one processor is used to select the radiotechnics of minimum number, and the radiotechnics of described minimum number is included in the radiotechnics in each group radiotechnics.
5, device according to claim 1, wherein, described at least one processor is used for: if simultaneously supported, then be chosen in all radiotechnicss in the described at least one group of radiotechnics.
6, device according to claim 1, wherein, described at least one processor is used for: to consider described at least one application based on the order of priority, described order starts from the application of limit priority, and the most preferred radiotechnics of each application choice for being considered.
7, device according to claim 1, wherein, described at least one processor is used for: receive for the request of communicating by letter from the application with priority lower than described at least one application, if it is simultaneously supported being used for radiotechnics and described at least one radiotechnics of described lower-priority application, then start the radiotechnics that is used for described lower-priority application, if and be used for the radiotechnics of described lower-priority application and described at least one radiotechnics is not simultaneously supported, rejecting said request then.
8, device according to claim 1, wherein, described at least one processor is used for: receive for the request of communicating by letter from the application with priority higher than described at least one application, start the radiotechnics of the application be used for described higher priority, and be not supported each radiotechnics simultaneously with the radiotechnics that is used for the application of described higher priority in described at least one radiotechnics of stopping using.
9, device according to claim 8, wherein, the application that described at least one processor is used for radiotechnics that use is deactivated moves on to the described radiotechnics of the application that is used for described higher priority.
10, device according to claim 1, wherein, described at least one processor is used for selecting radio technology groups from a plurality of radio technology groups, comprises described at least one radiotechnics in the selected group.
11, device according to claim 10, wherein, described at least one processor is used for selecting to comprise and is used for described at least one each group of most preferred radiotechnics that uses.
12, device according to claim 10, wherein, described a plurality of groups are associated with different priority, and wherein, and described at least one processor is used to select comprise the group of the limit priority of described at least one radiotechnics.
13, device according to claim 1, wherein, described at least one processor is used for: when being enabled in the application of minimum application sets, start the radiotechnics that is used for described application.
14, device according to claim 13, wherein, described at least one processor is used for: described at least one radiotechnics of stopping using is not supported each radiotechnics simultaneously with being used for described radiotechnics in the described application of described minimum application sets.
15, device according to claim 1, wherein, described memory is used to store use with each uses the table of spendable one group of radiotechnics.
16, device according to claim 15, wherein, described memory also is used for the priority in the described application of described table storage.
17, device according to claim 15, wherein, described memory also is used to store the preference of each being used spendable described radiotechnics.
18, a kind of method of wireless communication that is used for comprises:
Use the request that receives for communication from least one;
Select at least one radiotechnics according at least one group of radiotechnics that is used for described at least one application, wherein, each group radiotechnics comprises can be by one or more radiotechnicss of application corresponding use; And
Start described at least one radiotechnics and think that described at least one application provides communication.
19, method according to claim 18, wherein, described at least one radiotechnics of described selection comprises: select the radiotechnics of minimum number, the radiotechnics of described minimum number is included in the radiotechnics in each group radiotechnics.
20, method according to claim 18, wherein, described at least one radiotechnics of described selection comprises:
To consider described at least one application based on the order of priority, described order starts from the application of limit priority; And
Be the most preferred radiotechnics of each application choice that is considered.
21, method according to claim 18 also comprises:
Receive for the request of communicating by letter from application with priority lower than described at least one application;
If it is simultaneously supported being used for radiotechnics and described at least one radiotechnics of described lower-priority application, then start the radiotechnics that is used for described lower-priority application; And
If it is not simultaneously supported being used for radiotechnics and described at least one radiotechnics of described lower-priority application, then rejecting said request.
22, method according to claim 18 also comprises:
Receive for the request of communicating by letter from application with priority higher than described at least one application;
Start the radiotechnics of the application that is used for described higher priority; And
Not supported each radiotechnics simultaneously with the radiotechnics that is used for the application of described higher priority in described at least one radiotechnics of stopping using.
23, a kind of device that is used for radio communication comprises:
Be used for using the module that receives for the request of communication from least one;
Be used for selecting according at least one group of radiotechnics that is used for described at least one application the module of at least one radiotechnics, wherein, each group radiotechnics comprises can be by one or more radiotechnicss of application corresponding use; And
Be used to start described at least one radiotechnics and think that described at least one application provides the module of communication.
24, device according to claim 23, wherein, described being used to selects the module of at least one radiotechnics to comprise: be used to select the module of the radiotechnics of minimum number, the radiotechnics of described minimum number is included in the radiotechnics in each group radiotechnics.
25, device according to claim 23 wherein, describedly is used to select the module of at least one radiotechnics to comprise:
Be used for to consider the module of described at least one application based on the order of priority, described order starts from the application of limit priority; And
Be used to the module of the most preferred radiotechnics of each application choice that is considered.
26, device according to claim 23 also comprises:
Be used for receiving module for the request of communication from having than described at least one application of using lower priority;
If it is simultaneously supported being used for radiotechnics and described at least one radiotechnics of described lower-priority application, then start the module of the radiotechnics that is used for described lower-priority application; And
If it is not simultaneously supported being used for radiotechnics and described at least one radiotechnics of described lower-priority application, then the module of rejecting said request.
27, device according to claim 23 also comprises:
Be used for receiving module for the request of communication from having than described at least one application of using higher priority;
Be used to start the module of the radiotechnics of the application that is used for described higher priority; And
Described at least one radiotechnics that is used for stopping using is not the module of supported each radiotechnics of while with the radiotechnics that is used for the application of described higher priority.
28, a kind of computer program comprises:
Computer-readable medium, it comprises:
Be used to make at least one computer to use the code that receives for the request of communication from least one;
Be used to make at least one computer to select the code of at least one radiotechnics according at least one group of radiotechnics that is used for described at least one application, wherein, each group radiotechnics comprises the one or more radiotechnicss that can be used by application corresponding; And
Be used to make described at least one radiotechnics of described at least one computer starting to think that described at least one application provides the code of communication.
29, computer program according to claim 28, wherein, described computer-readable medium also comprises:
Be used to make described at least one computer to select the code of the radiotechnics of minimum number, the radiotechnics of described minimum number is included in the radiotechnics in each group radiotechnics.
30, computer program according to claim 28, wherein, described computer-readable medium also comprises:
Be used to make described at least one computer to consider the code of described at least one application based on the order of priority, described order starts from the application of limit priority; And
Being used to make described at least one computer is the code of the most preferred radiotechnics of each application choice that is considered.
31, computer program according to claim 28, wherein, described computer-readable medium also comprises:
Be used to make described at least one computer to receive code for the request of communication from having than described at least one application of using lower priority;
If it is simultaneously supported being used for radiotechnics and described at least one radiotechnics of described lower-priority application, then make described at least one computer starting be used for the code of the radiotechnics of described lower-priority application; And
If it is not simultaneously supported being used for radiotechnics and described at least one radiotechnics of described lower-priority application, then make the code of described at least one computer rejecting said request.
32, computer program according to claim 28, wherein, described computer-readable medium also comprises:
Be used to make described at least one computer to receive code for the request of communication from having than described at least one application of using higher priority;
The code of the radiotechnics of the application that is used to make described at least one computer starting be used for described higher priority; And
Being used for making inactive described at least one radiotechnics of described at least one computer and the radiotechnics that is used for the application of described higher priority is not the code of supported each radiotechnics of while.
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| CN103493579A (en) * | 2011-04-11 | 2014-01-01 | 交互数字专利控股公司 | Session manager and source internet protocol (IP) address election |
| CN103493579B (en) * | 2011-04-11 | 2017-08-18 | 交互数字专利控股公司 | Session manager and source Internet protocol（IP）Address choice |
| CN104969614A (en) * | 2013-03-11 | 2015-10-07 | 英特尔德国有限责任公司 | Communication controller and method for transmitting data |
| CN105122678A (en) * | 2013-04-12 | 2015-12-02 | Lg电子株式会社 | Method and apparatus for applying assistance information for traffic steering in wireless communication system |
| CN105122678B (en) * | 2013-04-12 | 2018-07-10 | Lg电子株式会社 | The method and apparatus for the assistance information that application is oriented to for business in a wireless communication system |
| CN108882325A (en) * | 2018-05-30 | 2018-11-23 | 郑州易通众联电子科技有限公司 | Method for switching network, network switching device and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2687856A1 (en) | 2008-12-24 |
| JP2010531565A (en) | 2010-09-24 |
| BRPI0813350A2 (en) | 2014-12-30 |
| RU2010101055A (en) | 2011-07-20 |
| TW200908597A (en) | 2009-02-16 |
| IL202164A0 (en) | 2010-06-16 |
| US20080311912A1 (en) | 2008-12-18 |
| EP2034794A1 (en) | 2009-03-11 |
| KR20100021647A (en) | 2010-02-25 |
| AU2008265970A1 (en) | 2008-12-24 |
| MX2009013661A (en) | 2010-01-27 |
| WO2008157449A1 (en) | 2008-12-24 |
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